Home / 6,481-8,944.39-3,686.50

Finding the Fourth Proportional to 6,481, 8,944.39 and 3,686.50

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Solution

The fourth proportional to 6,481, 8,944.39 and 3,686.50 is: 5,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481 : 8,944.39 = 3,686.50 : x
  2. Step 2: Convert to fraction form
    6,481/8,944.39 = 3,686.50/x
  3. Step 3: Cross multiply
    6,481x = 8,944.39 × 3,686.50
  4. Step 4: Simplify right side
    6,481x = 32,973,493.74
  5. Step 5: Solve for x
    x = 32,973,493.74/6,481
  6. Step 6: Final answer
    x = 5,087.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.